5a current is passed for 2 hours in an electric iorn with resistance 100n ohms. Calculate the heat produced
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◆Solution: Given: I= 5 a
t= 2 h= 2×3600=7200
R= 100 ohm
So by using H= I^2Rt
H= (5)^2×100×7200
H= 25×720000
H= 18,000,000 Joule
t= 2 h= 2×3600=7200
R= 100 ohm
So by using H= I^2Rt
H= (5)^2×100×7200
H= 25×720000
H= 18,000,000 Joule
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